Question

1.1.r - lesson: pairs of angles, part 1
due thursday by 11:59pm points 100 submitting an external tool
lesson order: make sure to work through the lesson content from top to b
1.1.r pairs of angles, part 1
m∠d = 18°. find the measure of the supplement of ∠d.
162°
172°
72°
62°

Explanation:

Step1: Supplementary angles sum to 180°

Supplement = 180° - m∠D

Step2: Substitute m∠D = 18°

Supplement = 180° - 18° = 162°

Answer:

A. 162°